Specialized STUMPJUMPER COMP 29ER 2008 VS Trek JACK 2 2009 specs comparison

Specialized Stumpjumper Comp 29er

General Infos

Model	Stumpjumper Comp 29er
Manufacturer	Specialized
Year of production	2008
Current price	Check price Here ==>
Color choice	-Black and Blue
Sizes	- 15.5 - 17 - 18 - 19 - 21 - 23
Sizes	- 15.5 - 17 - 18 - 19 - 21 - 23

Wheels And Breaking System

Bike front tire	29 X 2.00 (inches) Specialized Fast Track Control LK
Bike rear tire	Not Available
Bike wheel size	29 (inches) Wheels
Brakeset type	160 (millimeters) Rotor Brakes Avid Juicy 5 SL Hydraulic Disc Hydraulic Disc Levers Avid Juicy 5 SL
Hubs for disc brakes	Rear: Shimano M525 Disc Front: Specialized Hi Lo Disc
Rims manufacturer	32-hole DT Swiss X470
Spoke nipples type	Alloy Niples
Spoke wheel	15ga. Straight Gauge DT Swiss Stainless Steel

Frame and Body Specs

Frame materials	M5 Aluminum
Frame type	TIG-welded
Handlebar construction	2014 Butted Alloy 600 (millimeters) Wide Specialized XC Flat 31.8 (millimeters) Bar
Handlebar extender	Optional
Handlebar stem details	31.8 (millimeters) Clamp 3D Forged With CNC Finish Specialized
Headset size	1 1/8 (inches) Threadless Threadless

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) SRAM PC-971 With Power Link
Bottom bracket shell width	Not Available
Bottom bracket type	Shimano M542
Crankset parts and sizes	22/32/44 Teeth Shimano M542
Gear shift levers	SRAM X-7 Trigger
Rear gear set	11 - 34 Teeth 9-speed

Specialized Stumpjumper Comp 29er Fork System Data

Derailleur (Front)	Dual-pull and clamp-on 34.9 (millimeters) Shimano LX
Derailleur (Rear)	SRAM X.9
Fork material	Single
Fork type	80 (millimeters) Rock Shox Reba SL 29

Other Specs of Specialized Stumpjumper Comp 29er

Component group sets	Mountain Mix
Pedals details	Crank Brothers Smarty
Rear shock absorber	Not Available
Saddle seat	Hollow Cr-Mo Rails Specialized XC MTB
Seat post extension	30.9 (millimeters) Diameter Single Bolt Setback 2014 Butted Alloy

Trek Jack 2

General Infos

Model	Jack 2
Manufacturer	Trek
Year of production	2009
Current price	Check price Here ==>
Color choice	-Gloss Orange
Sizes	- Small - medium - large

Wheels And Breaking System

Bike front tire	26 X 2.40 (inches) Bontrager Earl
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Hayes MX-2 Mechanical Levers Hayes MX-2 Mechanical With 8 (inches) Rotor Front and Hayes MX-2 Mechanical With 6 (inches) Rotor Rear Brakes
Hubs for disc brakes	Shimano M475
Rims manufacturer	Sun Ditch Witch
Spoke nipples type	Not Available
Spoke wheel	Not Available

Frame and Body Specs

Frame materials	Alpha White Aluminum
Frame type	TIG-welded
Handlebar construction	Bontrager Big Earl
Handlebar extender	Optional
Handlebar stem details	Bontrager Earl
Headset size	1 1/8 (inches) Aheadset Semi-cartridge

Gearing Specifications

Bicycle chain	Not Available
Bottom bracket shell width	Not Available
Bottom bracket type	Not Available
Crankset parts and sizes	22/32/42 Teeth Bontrager Big Earl
Gear shift levers	Shimano Alivio
Rear gear set	11 - 32 Teeth 8-speed

Trek Jack 2 Fork System Data

Derailleur (Front)	Shimano Alivio
Derailleur (Rear)	Shimano Alivio
Fork material	Single Crown
Fork type	100 (millimeters) Travel Manitou Slate Comp FFD

Other Specs of Trek Jack 2

Component group sets	Shimano Alivio
Pedals details	Alloy Platform
Rear shock absorber	Not Available
Saddle seat	Bontrager Earl Jump
Seat post extension	Bontrager Sport